Cu3(BTC)2 as heterogeneous catalyst for the room temperature oxidative hydroxylation of arylboronic acids

被引：21
作者：
Dhakshinamoorthy, Amarajothi [1 ]
Asiri, Abdullah M. [2 ]
Garcia, Hermenegildo [2 ,3 ]
机构：
[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India
[2] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21413, Saudi Arabia
[3] Univ Politecn Valencia, Inst Univ Tecnol Quim CSIV UPV, Ave Naranjos S-N, E-46022 Valencia, Spain
来源：
TETRAHEDRON | 2016年 / 72卷 / 22期
关键词：
Metal-organic frameworks; Cu-3(BTC)(2); Phenylboronic acid; Oxidation; Hydrogen peroxide; METAL-ORGANIC FRAMEWORKS; IPSO-HYDROXYLATION; PHENOLS; ARYL; NANOPARTICLES; PEROXIDE; LIGAND; OXYGEN;
D O I：
10.1016/j.tet.2016.03.098
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A well known copper based-metal organic framework (MOF), namely Cu-3(BTC)(2), is a suitable heterogeneous catalyst to promote the oxidative room-temperature hydroxylation of arylboronic acids to the corresponding phenols by H2O2. Using 0.5 equiv of H2O2, Cu-3(BTC)(2) exhibits 80% conversion in 60 min that is higher than 70% conversion achieved with Fe(BTC) under the same conditions and reaction time. Cu-3(BTC)(2) is reusable with no significant drop in the activity. Furthermore, powder XRD of the reused Cu-3(BTC)(2) shows no changes in crystallinity compared to the fresh Cu-3(BTC)(2), indicating catalyst stability is maintained under reaction conditions. The scope of Cu-3(BTC)(2) as heterogeneous catalyst for the oxidative hydroxylation was studied for various phenylboronic acids. (C) 2016 Elsevier Ltd. All rights reserved.
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收藏
页码：2895 / 2899
页数：5
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